"Not enough is being done to protect the world's oceans. Instead, human activity is causing them to become less and less healthy every year. While almost everyone knows that the oceans are important, many do not understand exactly how important they are. Experts warn that the oceans could eventually be harmed so much that life on earth will be dramatically altered"-- Provided by publisher.

The Importance of the Oceans -- Climate Change -- Pollution -- Overuse -- Keeping the Oceans Healthy.